688 
CDUS41 KBOX 170548
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
148 AM EDT MON JUL 17 2023

...................................

...THE BOSTON MA CLIMATE SUMMARY FOR JULY 16 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         79    907 AM  99    1983  83     -4       85       
  MINIMUM         73    919 PM  54    1878  66      7       64       
                                      1884                           
  AVERAGE         76                        74      2       75     

PRECIPITATION (IN)                                                    
  YESTERDAY        1.60R         0.97 2000   0.10   1.50     0.00     
  MONTH TO DATE    4.27                      1.65   2.62     0.41     
  SINCE JUN 1      7.71                      5.54   2.17     2.74     
  SINCE JAN 1     23.94                     23.19   0.75    16.25     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0  2000   0.0    0.0      0.0      
                                      2001                           
                                      2002                           
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE JUN 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE JUN 1     74                        50     24       36        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       11                        10      1       10        
  MONTH TO DATE  159                       141     18      157        
  SINCE JUN 1    265                       279    -14      288        
  SINCE JAN 1    309                       312     -3      343        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   S (180)       
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)       
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SE (150)       
  AVERAGE WIND SPEED    11.1                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 1.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  HEAVY RAIN                                                          
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           500 PM                                      
 LOWEST     82           900 AM                                      
 AVERAGE    89                                                        

..........................................................


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   83        98      1977                      
                                             1999                     
 MINIMUM TEMPERATURE (F)   66        54      1892                      
                                             1946                     


SUNRISE AND SUNSET                                                    
JULY 17 2023..........SUNRISE   522 AM EDT   SUNSET   818 PM EDT     
JULY 18 2023..........SUNRISE   523 AM EDT   SUNSET   817 PM EDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$